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plan: tick Phase 16 rational numbers — complete, Phase 17 next
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
giles
2026-05-01 17:27:43 +00:00
parent 036022cc17
commit c8582c4d49
1 changed files with 10 additions and 6 deletions
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16
plans/agent-briefings/primitives-loop.md
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@@ -491,14 +491,17 @@ Primitives to add:
- `(number->string 1/3)` → `"1/3"`
Steps:
- [ ] Spec: add `SxRational` type; add `n/d` reader syntax to `spec/parser.sx`; extend
- [x] Spec: add `SxRational` type; add `n/d` reader syntax to `spec/parser.sx`; extend
all arithmetic primitives for rational contagion (int op rational → rational, rational
op float → float).
- [ ] OCaml: add `SxRational of int * int` (stored in reduced form); implement all arithmetic.
- [ ] JS bootstrapper: implement rational type.
- [ ] Tests: 30+ tests in `spec/tests/test-rationals.sx` — literals, arithmetic, reduction,
mixed numeric tower, exact<->inexact conversion.
- [ ] Commit: `spec: rational numbers — 1/3 literals, arithmetic, numeric tower integration`
- [x] OCaml: add `SxRational of int * int` (stored in reduced form); implement all arithmetic.
as_number + safe_eq extended for cross-type rational equality (= 2.5 5/2) → true.
- [x] JS bootstrapper: implement rational type.
JS keeps int/int → float for CSS backward compatibility; SxRational class with _rational marker.
- [x] Tests: 30+ tests in `spec/tests/test-rationals.sx` — literals, arithmetic, reduction,
mixed numeric tower, exact<->inexact conversion. 62 tests, all pass.
- [x] Commit: `spec: rational numbers — 1/3 literals, arithmetic, numeric tower integration`
Committed 036022cc. JS: 2232 passed. OCaml: 4532 passed (+11).
---
@@ -748,6 +751,7 @@ _Newest first._
- 2026-04-25: Phase 1 spec step done — all 10 vector primitives in spec/primitives.sx have full :as type annotations, :returns, :doc; make-vector optional fill param added.
- 2026-04-25: Phase 1 OCaml step done — bounds-checked vector-ref/set!, vector-copy now accepts optional start/end, spec/primitives.sx doc updated. 10/10 r7rs vector tests pass, 4747 total (394 pre-existing hs-upstream fails unchanged).
- 2026-04-25: Phase 0 complete — stopped CL/APL/Ruby/Tcl loops (all 4 idle at shell); confirmed E38 (tokenizer :end/:line) and E39 (WebWorker stub) both have implementation commits.
- 2026-05-01: Phase 16 complete — rational numbers. SxRational type in OCaml (Rational of int*int, reduced, denom>0) and JS (SxRational class, _rational marker). n/d reader in spec/parser.sx. Arithmetic contagion: int op rational → rational, rational op float → float. JS keeps int/int → float for CSS compat. OCaml as_number+safe_eq extended for cross-type rational equality. 62 tests in test-rationals.sx, all pass. JS 2232, OCaml 4532 (+11). 036022cc.
- 2026-05-01: Phase 15 complete — math completeness. stdlib.math module: sin/cos/tan/asin/acos/atan(1-2 args)/exp/log/expt/quotient/gcd/lcm/number->string(radix)/string->number(radix). OCaml atan updated for optional 2nd arg. Strict radix parsing in JS string->number. 44 tests in test-math.sx, all pass. JS 2311/4801, OCaml 4547/5629. be2b11ac.
- 2026-05-01: Phase 14 OCaml done — Eof + Port{PortInput/PortOutput} in sx_types.ml; 15 port primitives in sx_primitives.ml; raw_serialize updated; 4532/4532 (+39, zero regressions). 8ba0a33f.
- 2026-05-01: Phase 14 Spec+JS+Tests+Commit done — port type {_port,_kind,_source/_buffer,_pos,_closed}; eof singleton; 15 primitives in spec/primitives.sx (stdlib.ports) + platform.py; 39/39 tests in test-ports.sx. Committed 3d8937d7. OCaml step next.